Shared sequencing involves multiple rollup solutions utilizing a common, decentralized network of sequencers to order and batch their transactions before submission to the base layer. This shared approach aims to improve cross-rollup composability and reduce the centralization risks associated with individual rollup sequencers. It offers a neutral ordering service.
Context
Shared sequencing is a rapidly developing area of research and implementation within the rollup ecosystem, addressing challenges related to censorship resistance and interoperability. The goal is to establish a robust and fair mechanism for transaction ordering across diverse layer-2 networks, thereby fostering a more cohesive and efficient decentralized application environment.
HotShot consensus and Tiramisu DA create a decentralized shared sequencing layer, resolving rollup centralization while maintaining high-throughput performance.
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